BLUE FLAG SAILORS-SAILING ACADEMY
Beaufort Wind Scale
BEAUFORT WIND SCALE
Wind Velocity ranging from force 0 to force 17.
Force 0: 1 knot or 1 mph; Force 1: 1-3 knots or 1-3 mph;
Force 2: 4-6 knots or 4-7 mph; Force 3: 7-10 knots or 8-12 mph;
Force 4: 11-16 knots or 13-17 mph; Force 5: 17-21 knots or 18-24 mph;
Force 6: 22-27 knots or 25-30 mph; Force 7: 28-33 knots or 31-38 mph;
Force 8: 34-40 knots or 39-46 mph; Force 9: 41-47 knots or 47-54 mph;
Force 10: 48-55 knots or 55-63 mph; Force 11: 56-63 knots or 64-72 mph;
Force 12: 64-71 knots or 73-82 mph; Force 13: 72-80 knots or 83-92 mph;
Force 14: 81-89 knots or 93-103 mph; Force 15: 90-99 knots or 104-114 mph;
Force 16: 100-108 knots or 115-124 mph; Force 17: 109-118 knots or 125-136 mph
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